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Single crystal iron nanocube synthesis via the surface energy driven growth method.
MedLine Citation:
PMID:  23059600     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Single crystal iron nanocubes are produced by simply heating a bilayer film. This surface energy driven growth (SEDG) method exploits the difference in surface energies of the components (γ(Fe) ∼ 2.2 J m(-2) versus γ(Nd) ∼ 0.7 J m(-2)) in the binary alloy Fe-Nd system to produce nanocubes of the higher energy Fe component. The dimensions of the cubes range from tens to hundreds of nanometers in size and can be controlled by changing the initial thickness of iron in the deposited Fe-Nd bilayer prior to annealing at 700 °C. The composition and structure of the nanocubes was confirmed by transmission electron microscopy analysis as single crystal bcc iron in the α-phase. The cubes were found to exist as core-shell structures with the α-phase encased by an intermetallic Fe-Nd phase, characteristic of the SEDG growth mechanism.
Authors:
Curtis O'Kelly; Soon Jung Jung; Alan P Bell; John J Boland
Publication Detail:
Type:  Journal Article     Date:  2012-10-11
Journal Detail:
Title:  Nanotechnology     Volume:  23     ISSN:  1361-6528     ISO Abbreviation:  Nanotechnology     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-10-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101241272     Medline TA:  Nanotechnology     Country:  England    
Other Details:
Languages:  eng     Pagination:  435604     Citation Subset:  IM    
Affiliation:
School of Chemistry and Centre for Research on Adaptive Nanostructures and Nanotechnology (CRANN), Trinity College Dublin, Ireland.
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